Fitbit Charge 2 vs. Basis Peak vs. Fitbit Charge vs. Fitbit Flex vs. Amazfit GTR

 
Charge 2
Peak
Charge
Flex
GTR
 FitbitCharge 2Remove Buy NowBasisPeakRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$200$130$100$199
Release20162014201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days7-10 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144NANA454 x 454
Sizen/a1.25 inchesNANA1.39 inches
Touchn/aNANA
TypeOLEDLCDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANABuild-in
Apps
Music

All Wearables